/*
 * Copyright 1986-2022 Xilinx, Inc. All Rights Reserved.
 * Copyright 2022-2025 Advanced Micro Devices, Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "diamond.h"

void diamond(data_t vecIn[N], data_t vecOut[N]) {
    data_t c1[N], c2[N], c3[N], c4[N];
#pragma HLS dataflow
    funcA(vecIn, c1, c2);
    funcB(c1, c3);
    funcC(c2, c4);
    funcD(c3, c4, vecOut);
}

void funcA(data_t* in, data_t* out1, data_t* out2) {
Loop0:
    for (int i = 0; i < N; i++) {
#pragma HLS pipeline rewind
#pragma HLS unroll factor = 2
        data_t t = in[i] * 3;
        out1[i] = t;
        out2[i] = t;
    }
}

void funcB(data_t* in, data_t* out) {
Loop0:
    for (int i = 0; i < N; i++) {
#pragma HLS pipeline rewind
#pragma HLS unroll factor = 2
        out[i] = in[i] + 25;
    }
}

void funcC(data_t* in, data_t* out) {
Loop0:
    for (data_t i = 0; i < N; i++) {
#pragma HLS pipeline rewind
#pragma HLS unroll factor = 2
        out[i] = in[i] * 2;
    }
}

void funcD(data_t* in1, data_t* in2, data_t* out) {
Loop0:
    for (int i = 0; i < N; i++) {
#pragma HLS pipeline rewind
#pragma HLS unroll factor = 2
        out[i] = in1[i] + in2[i] * 2;
    }
}
